// JavaScript Document
/* prevent execution of jQuery if included more then once */ 
if(typeof window.jQuery == "undefined") { 
/* 
 * jQuery 1.0.2 - New Wave Javascript 
 * 
 * Copyright (c) 2006 John Resig (jquery.com) 
 * Dual licensed under the MIT (MIT-LICENSE.txt) 
 * and GPL (GPL-LICENSE.txt) licenses. 
 * 
 * $Date: 2006-10-09 20:23:18 -0400 (Mon, 09 Oct 2006) $ 
 * $Rev: 413 $ 
 */ 

// Global undefined variable 
window.undefined = window.undefined; 
jQuery = function(a,c) { 

    // Shortcut for document ready (because $(document).each() is silly) 
    if ( a && typeof a == "function" && jQuery.fn.ready ) 
        return jQuery(document).ready(a); 

    // Make sure that a selection was provided 
    a = a || jQuery.context || document; 

    // Watch for when a jQuery object is passed as the selector 
    if ( a.jquery ) 
        return jQuery( jQuery.merge( a, [] ) ); 

    // Watch for when a jQuery object is passed at the context 
    if ( c && c.jquery ) 
        return jQuery( c ).find(a); 

    // If the context is global, return a new object 
    if ( window == this ) 
        return new jQuery(a,c); 

    // Handle HTML strings 
    var m = /^[^<]*(<.+>)[^>]*$/.exec(a); 
    if ( m ) a = jQuery.clean( [ m[1] ] ); 

    // Watch for when an array is passed in 
    this.get( a.constructor == Array || a.length && !a.nodeType && a[0] != undefined && a[0].nodeType ? 
        // Assume that it is an array of DOM Elements 
        jQuery.merge( a, [] ) : 

        // Find the matching elements and save them for later 
        jQuery.find( a, c ) ); 

  // See if an extra function was provided 
    var fn = arguments[ arguments.length - 1 ]; 

    // If so, execute it in context 
    if ( fn && typeof fn == "function" ) 
        this.each(fn); 
}; 

// Map over the $ in case of overwrite 
if ( typeof $ != "undefined" ) 
    jQuery._$ = $; 

// Map the jQuery namespace to the '$' one 
var $ = jQuery; 

jQuery.fn = jQuery.prototype = { 
    jquery: "1.0.2", 

    size: function() { 
        return this.length; 
    }, 

    get: function( num ) { 
        // Watch for when an array (of elements) is passed in 
        if ( num && num.constructor == Array ) { 

            // Use a tricky hack to make the jQuery object 
            // look and feel like an array 
            this.length = 0; 
            [].push.apply( this, num ); 

            return this; 
        } else 
            return num == undefined ? 

                // Return a 'clean' array 
                jQuery.merge( this, [] ) : 

                // Return just the object 
                this[num]; 
    }, 
    each: function( fn, args ) { 
        return jQuery.each( this, fn, args ); 
    }, 
    index: function( obj ) { 
        var pos = -1; 
        this.each(function(i){ 
            if ( this == obj ) pos = i; 
        }); 
        return pos; 
    }, 

    attr: function( key, value, type ) { 
        // Check to see if we're setting style values 
        return key.constructor != String || value != undefined ? 
            this.each(function(){ 
                // See if we're setting a hash of styles 
                if ( value == undefined ) 
                    // Set all the styles 
                    for ( var prop in key ) 
                        jQuery.attr( 
                            type ? this.style : this, 
                            prop, key[prop] 
                        ); 

                // See if we're setting a single key/value style 
                else 
                    jQuery.attr( 
                        type ? this.style : this, 
                        key, value 
                    ); 
            }) : 

            // Look for the case where we're accessing a style value 
            jQuery[ type || "attr" ]( this[0], key ); 
    }, 

    css: function( key, value ) { 
        return this.attr( key, value, "curCSS" ); 
    }, 
    text: function(e) { 
        e = e || this; 
        var t = ""; 
        for ( var j = 0; j < e.length; j++ ) { 
            var r = e[j].childNodes; 
            for ( var i = 0; i < r.length; i++ ) 
                if ( r[i].nodeType != 8 ) 
                    t += r[i].nodeType != 1 ? 
                        r[i].nodeValue : jQuery.fn.text([ r[i] ]); 
        } 
        return t; 
    }, 

    wrap: function() { 
        // The elements to wrap the target around 
        var a = jQuery.clean(arguments); 

        // Wrap each of the matched elements individually 
        return this.each(function(){ 
            // Clone the structure that we're using to wrap 
            var b = a[0].cloneNode(true); 

            // Insert it before the element to be wrapped 
            this.parentNode.insertBefore( b, this ); 

            // Find the deepest point in the wrap structure 
            while ( b.firstChild ) 
                b = b.firstChild; 

            // Move the matched element to within the wrap structure 
            b.appendChild( this ); 
        }); 
    }, 

    append: function() { 
        return this.domManip(arguments, true, 1, function(a){ 
            this.appendChild( a ); 
        }); 
    }, 

    prepend: function() { 
        return this.domManip(arguments, true, -1, function(a){ 
            this.insertBefore( a, this.firstChild ); 
        }); 
    }, 

    before: function() { 
        return this.domManip(arguments, false, 1, function(a){ 
            this.parentNode.insertBefore( a, this ); 
        }); 
    }, 

    after: function() { 
        return this.domManip(arguments, false, -1, function(a){ 
            this.parentNode.insertBefore( a, this.nextSibling ); 
        }); 
    }, 
    end: function() { 
        return this.get( this.stack.pop() ); 
    }, 
    find: function(t) { 
        return this.pushStack( jQuery.map( this, function(a){ 
            return jQuery.find(t,a); 
        }), arguments ); 
    }, 
    clone: function(deep) { 
        return this.pushStack( jQuery.map( this, function(a){ 
            return a.cloneNode( deep != undefined ? deep : true ); 
        }), arguments ); 
    }, 

    filter: function(t) { 
        return this.pushStack( 
            t.constructor == Array && 
            jQuery.map(this,function(a){ 
                for ( var i = 0; i < t.length; i++ ) 
                    if ( jQuery.filter(t[i],[a]).r.length ) 
                        return a; 
            }) || 

            t.constructor == Boolean && 
            ( t ? this.get() : [] ) || 

            typeof t == "function" && 
            jQuery.grep( this, t ) || 

            jQuery.filter(t,this).r, arguments ); 
    }, 

    not: function(t) { 
        return this.pushStack( t.constructor == String ? 
            jQuery.filter(t,this,false).r : 
            jQuery.grep(this,function(a){ return a != t; }), arguments ); 
    }, 

    add: function(t) { 
        return this.pushStack( jQuery.merge( this, t.constructor == String ? 
            jQuery.find(t) : t.constructor == Array ? t : [t] ), arguments ); 
    }, 
    is: function(expr) { 
        return expr ? jQuery.filter(expr,this).r.length > 0 : false; 
    }, 
    domManip: function(args, table, dir, fn){ 
        var clone = this.size() > 1; 
        var a = jQuery.clean(args); 

        return this.each(function(){ 
            var obj = this; 

            if ( table && this.nodeName.toUpperCase() == "TABLE" && a[0].nodeName.toUpperCase() != "THEAD" ) { 
                var tbody = this.getElementsByTagName("tbody"); 

                if ( !tbody.length ) { 
                    obj = document.createElement("tbody"); 
                    this.appendChild( obj ); 
                } else 
                    obj = tbody[0]; 
            } 

            for ( var i = ( dir < 0 ? a.length - 1 : 0 ); 
                i != ( dir < 0 ? dir : a.length ); i += dir ) { 
                    fn.apply( obj, [ clone ? a[i].cloneNode(true) : a[i] ] ); 
            } 
        }); 
    }, 
    pushStack: function(a,args) { 
        var fn = args && args[args.length-1]; 
        var fn2 = args && args[args.length-2]; 

        if ( fn && fn.constructor != Function ) fn = null; 
        if ( fn2 && fn2.constructor != Function ) fn2 = null; 

        if ( !fn ) { 
            if ( !this.stack ) this.stack = []; 
            this.stack.push( this.get() ); 
            this.get( a ); 
        } else { 
            var old = this.get(); 
            this.get( a ); 

            if ( fn2 && a.length || !fn2 ) 
                this.each( fn2 || fn ).get( old ); 
            else 
                this.get( old ).each( fn ); 
        } 

        return this; 
    } 
}; 

jQuery.extend = jQuery.fn.extend = function(obj,prop) { 
    if ( !prop ) { prop = obj; obj = this; } 
    for ( var i in prop ) obj[i] = prop[i]; 
    return obj; 
}; 

jQuery.extend({ 
    init: function(){ 
        jQuery.initDone = true; 

        jQuery.each( jQuery.macros.axis, function(i,n){ 
            jQuery.fn[ i ] = function(a) { 
                var ret = jQuery.map(this,n); 
                if ( a && a.constructor == String ) 
                    ret = jQuery.filter(a,ret).r; 
                return this.pushStack( ret, arguments ); 
            }; 
        }); 

        jQuery.each( jQuery.macros.to, function(i,n){ 
            jQuery.fn[ i ] = function(){ 
                var a = arguments; 
                return this.each(function(){ 
                    for ( var j = 0; j < a.length; j++ ) 
                        jQuery(a[j])[n]( this ); 
                }); 
            }; 
        }); 

        jQuery.each( jQuery.macros.each, function(i,n){ 
            jQuery.fn[ i ] = function() { 
                return this.each( n, arguments ); 
            }; 
        }); 

        jQuery.each( jQuery.macros.filter, function(i,n){ 
            jQuery.fn[ n ] = function(num,fn) { 
                return this.filter( ":" + n + "(" + num + ")", fn ); 
            }; 
        }); 

        jQuery.each( jQuery.macros.attr, function(i,n){ 
            n = n || i; 
            jQuery.fn[ i ] = function(h) { 
                return h == undefined ? 
                    this.length ? this[0][n] : null : 
                    this.attr( n, h ); 
            }; 
        }); 

        jQuery.each( jQuery.macros.css, function(i,n){ 
            jQuery.fn[ n ] = function(h) { 
                return h == undefined ? 
                    ( this.length ? jQuery.css( this[0], n ) : null ) : 
                    this.css( n, h ); 
            }; 
        }); 

    }, 
    each: function( obj, fn, args ) { 
        if ( obj.length == undefined ) 
            for ( var i in obj ) 
                fn.apply( obj[i], args || [i, obj[i]] ); 
        else 
            for ( var i = 0; i < obj.length; i++ ) 
                fn.apply( obj[i], args || [i, obj[i]] ); 
        return obj; 
    }, 

    className: { 
        add: function(o,c){ 
            if (jQuery.className.has(o,c)) return; 
            o.className += ( o.className ? " " : "" ) + c; 
        }, 
        remove: function(o,c){ 
            if( !c ) { 
                o.className = ""; 
            } else { 
                var classes = o.className.split(" "); 
                for(var i=0; i<classes.length; i++) { 
                    if(classes[i] == c) { 
                        classes.splice(i, 1); 
                        break; 
                    } 
                } 
                o.className = classes.join(' '); 
            } 
        }, 
        has: function(e,a) { 
            if ( e.className != undefined ) 
                e = e.className; 
            return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e); 
        } 
    }, 
    swap: function(e,o,f) { 
        for ( var i in o ) { 
            e.style["old"+i] = e.style[i]; 
            e.style[i] = o[i]; 
        } 
        f.apply( e, [] ); 
        for ( var i in o ) 
            e.style[i] = e.style["old"+i]; 
    }, 

    css: function(e,p) { 
        if ( p == "height" || p == "width" ) { 
            var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"]; 

            for ( var i in d ) { 
                old["padding" + d[i]] = 0; 
                old["border" + d[i] + "Width"] = 0; 
            } 

            jQuery.swap( e, old, function() { 
                if (jQuery.css(e,"display") != "none") { 
                    oHeight = e.offsetHeight; 
                    oWidth = e.offsetWidth; 
                } else { 
                    e = jQuery(e.cloneNode(true)).css({ 
                        visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0" 
                    }).appendTo(e.parentNode)[0]; 

                    var parPos = jQuery.css(e.parentNode,"position"); 
                    if ( parPos == "" || parPos == "static" ) 
                        e.parentNode.style.position = "relative"; 

                    oHeight = e.clientHeight; 
                    oWidth = e.clientWidth; 

                    if ( parPos == "" || parPos == "static" ) 
                        e.parentNode.style.position = "static"; 

                    e.parentNode.removeChild(e); 
                } 
            }); 

            return p == "height" ? oHeight : oWidth; 
        } 

        return jQuery.curCSS( e, p ); 
    }, 

    curCSS: function(elem, prop, force) { 
        var ret; 

        if (prop == 'opacity' && jQuery.browser.msie) 
            return jQuery.attr(elem.style, 'opacity'); 

        if (!force && elem.style[prop]) { 

            ret = elem.style[prop]; 

        } else if (elem.currentStyle) { 

            var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();}); 
            ret = elem.currentStyle[prop] || elem.currentStyle[newProp]; 

        } else if (document.defaultView && document.defaultView.getComputedStyle) { 

            prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase(); 
            var cur = document.defaultView.getComputedStyle(elem, null); 

            if ( cur ) 
                ret = cur.getPropertyValue(prop); 
            else if ( prop == 'display' ) 
                ret = 'none'; 
            else 
                jQuery.swap(elem, { display: 'block' }, function() { 
                    ret = document.defaultView.getComputedStyle(this,null).getPropertyValue(prop); 
                }); 

        } 

        return ret; 
    }, 

    clean: function(a) { 
        var r = []; 
        for ( var i = 0; i < a.length; i++ ) { 
            if ( a[i].constructor == String ) { 
                // trim whitespace, otherwise indexOf won't work as expected 
                a[i] = jQuery.trim(a[i]); 

                var table = ""; 

                if ( !a[i].indexOf("<thead") || !a[i].indexOf("<tbody") ) { 
                    table = "thead"; 
                    a[i] = "<table>" + a[i] + "</table>"; 
                } else if ( !a[i].indexOf("<tr") ) { 
                    table = "tr"; 
                    a[i] = "<table>" + a[i] + "</table>"; 
                } else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) { 
                    table = "td"; 
                    a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>"; 
                } 

                var div = document.createElement("div"); 
                div.innerHTML = a[i]; 

                if ( table ) { 
                    div = div.firstChild; 
                    if ( table != "thead" ) div = div.firstChild; 
                    if ( table == "td" ) div = div.firstChild; 
                } 

                for ( var j = 0; j < div.childNodes.length; j++ ) 
                    r.push( div.childNodes[j] ); 
                } else if ( a[i].jquery || a[i].length && !a[i].nodeType ) 
                    for ( var k = 0; k < a[i].length; k++ ) 
                        r.push( a[i][k] ); 
                else if ( a[i] !== null ) 
                    r.push(    a[i].nodeType ? a[i] : document.createTextNode(a[i].toString()) ); 
        } 
        return r; 
    }, 

    expr: { 
        "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()", 
        "#": "a.getAttribute('id')&&a.getAttribute('id')==m[2]", 
        ":": { 
            // Position Checks 
            lt: "i<m[3]-0", 
            gt: "i>m[3]-0", 
            nth: "m[3]-0==i", 
            eq: "m[3]-0==i", 
            first: "i==0", 
            last: "i==r.length-1", 
            even: "i%2==0", 
            odd: "i%2", 

            // Child Checks 
            "nth-child": "jQuery.sibling(a,m[3]).cur", 
            "first-child": "jQuery.sibling(a,0).cur", 
            "last-child": "jQuery.sibling(a,0).last", 
            "only-child": "jQuery.sibling(a).length==1", 

            // Parent Checks 
            parent: "a.childNodes.length", 
            empty: "!a.childNodes.length", 

            // Text Check 
            contains: "(a.innerText||a.innerHTML).indexOf(m[3])>=0", 

            // Visibility 
            visible: "a.type!='hidden'&&jQuery.css(a,'display')!='none'&&jQuery.css(a,'visibility')!='hidden'", 
            hidden: "a.type=='hidden'||jQuery.css(a,'display')=='none'||jQuery.css(a,'visibility')=='hidden'", 

            // Form attributes 
            enabled: "!a.disabled", 
            disabled: "a.disabled", 
            checked: "a.checked", 
            selected: "a.selected || jQuery.attr(a, 'selected')", 

            // Form elements 
            text: "a.type=='text'", 
            radio: "a.type=='radio'", 
            checkbox: "a.type=='checkbox'", 
            file: "a.type=='file'", 
            password: "a.type=='password'", 
            submit: "a.type=='submit'", 
            image: "a.type=='image'", 
            reset: "a.type=='reset'", 
            button: "a.type=='button'", 
            input: "a.nodeName.toLowerCase().match(/input|select|textarea|button/)" 
        }, 
        ".": "jQuery.className.has(a,m[2])", 
        "@": { 
            "=": "z==m[4]", 
            "!=": "z!=m[4]", 
            "^=": "z && !z.indexOf(m[4])", 
            "$=": "z && z.substr(z.length - m[4].length,m[4].length)==m[4]", 
            "*=": "z && z.indexOf(m[4])>=0", 
            "": "z" 
        }, 
        "[": "jQuery.find(m[2],a).length" 
    }, 

    token: [ 
        "\\.\\.|/\\.\\.", "a.parentNode", 
        ">|/", "jQuery.sibling(a.firstChild)", 
        "\\+", "jQuery.sibling(a).next", 
        "~", function(a){ 
            var r = []; 
            var s = jQuery.sibling(a); 
            if ( s.n > 0 ) 
                for ( var i = s.n; i < s.length; i++ ) 
                    r.push( s[i] ); 
            return r; 
        } 
    ], 
    find: function( t, context ) { 
        // Make sure that the context is a DOM Element 
        if ( context && context.nodeType == undefined ) 
            context = null; 

        // Set the correct context (if none is provided) 
        context = context || jQuery.context || document; 

        if ( t.constructor != String ) return [t]; 

        if ( !t.indexOf("//") ) { 
            context = context.documentElement; 
            t = t.substr(2,t.length); 
        } else if ( !t.indexOf("/") ) { 
            context = context.documentElement; 
            t = t.substr(1,t.length); 
            // FIX Assume the root element is right :( 
            if ( t.indexOf("/") >= 1 ) 
                t = t.substr(t.indexOf("/"),t.length); 
        } 

        var ret = [context]; 
        var done = []; 
        var last = null; 

        while ( t.length > 0 && last != t ) { 
            var r = []; 
            last = t; 

            t = jQuery.trim(t).replace( /^\/\//i, "" ); 

            var foundToken = false; 

            for ( var i = 0; i < jQuery.token.length; i += 2 ) { 
                if ( foundToken ) continue; 

                var re = new RegExp("^(" + jQuery.token[i] + ")"); 
                var m = re.exec(t); 

                if ( m ) { 
                    r = ret = jQuery.map( ret, jQuery.token[i+1] ); 
                    t = jQuery.trim( t.replace( re, "" ) ); 
                    foundToken = true; 
                } 
            } 

            if ( !foundToken ) { 
                if ( !t.indexOf(",") || !t.indexOf("|") ) { 
                    if ( ret[0] == context ) ret.shift(); 
                    done = jQuery.merge( done, ret ); 
                    r = ret = [context]; 
                    t = " " + t.substr(1,t.length); 
                } else { 
                    var re2 = /^([#.]?)([a-z0-9\\*_-]*)/i; 
                    var m = re2.exec(t); 

                    if ( m[1] == "#" ) { 
                        // Ummm, should make this work in all XML docs 
                        var oid = document.getElementById(m[2]); 
                        r = ret = oid ? [oid] : []; 
                        t = t.replace( re2, "" ); 
                    } else { 
                        if ( !m[2] || m[1] == "." ) m[2] = "*"; 

                        for ( var i = 0; i < ret.length; i++ ) 
                            r = jQuery.merge( r, 
                                m[2] == "*" ? 
                                    jQuery.getAll(ret[i]) : 
                                    ret[i].getElementsByTagName(m[2]) 
                            ); 
                    } 
                } 

            } 

            if ( t ) { 
                var val = jQuery.filter(t,r); 
                ret = r = val.r; 
                t = jQuery.trim(val.t); 
            } 
        } 

        if ( ret && ret[0] == context ) ret.shift(); 
        done = jQuery.merge( done, ret ); 

        return done; 
    }, 

    getAll: function(o,r) { 
        r = r || []; 
        var s = o.childNodes; 
        for ( var i = 0; i < s.length; i++ ) 
            if ( s[i].nodeType == 1 ) { 
                r.push( s[i] ); 
                jQuery.getAll( s[i], r ); 
            } 
        return r; 
    }, 

    attr: function(elem, name, value){ 
        var fix = { 
            "for": "htmlFor", 
            "class": "className", 
            "float": "cssFloat", 
            innerHTML: "innerHTML", 
            className: "className", 
            value: "value", 
            disabled: "disabled", 
            checked: "checked" 
        }; 

        // IE actually uses filters for opacity ... elem is actually elem.style 
        if (name == "opacity" && jQuery.browser.msie && value != undefined) { 
            // IE has trouble with opacity if it does not have layout 
            // Would prefer to check element.hasLayout first but don't have access to the element here 
            elem['zoom'] = 1;  
            if (value == 1) // Remove filter to avoid more IE weirdness 
                return elem["filter"] = elem["filter"].replace(/alpha\([^\)]*\)/gi,""); 
            else 
                return elem["filter"] = elem["filter"].replace(/alpha\([^\)]*\)/gi,"") + "alpha(opacity=" + value * 100 + ")"; 
        } else if (name == "opacity" && jQuery.browser.msie) { 
            return elem["filter"] ? parseFloat( elem["filter"].match(/alpha\(opacity=(.*)\)/)[1] )/100 : 1; 
        } 

        // Mozilla doesn't play well with opacity 1 
        if (name == "opacity" && jQuery.browser.mozilla && value == 1) value = 0.9999; 

        if ( fix[name] ) { 
            if ( value != undefined ) elem[fix[name]] = value; 
            return elem[fix[name]]; 
        } else if( value == undefined && jQuery.browser.msie && elem.nodeName && elem.nodeName.toUpperCase() == 'FORM' && (name == 'action' || name == 'method') ) { 
            return elem.getAttributeNode(name).nodeValue; 
        } else if ( elem.getAttribute != undefined ) { 
            if ( value != undefined ) elem.setAttribute( name, value ); 
            return elem.getAttribute( name, 2 ); 
        } else { 
            name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();}); 
            if ( value != undefined ) elem[name] = value; 
            return elem[name]; 
        } 
    }, 

    // The regular expressions that power the parsing engine 
    parse: [ 
        // Match: [@value='test'], [@foo] 
        "\\[ *(@)S *([!*$^=]*) *('?\"?)(.*?)\\4 *\\]", 

        // Match: [div], [div p] 
        "(\\[)\s*(.*?)\s*\\]", 

        // Match: :contains('foo') 
        "(:)S\\(\"?'?([^\\)]*?)\"?'?\\)", 

        // Match: :even, :last-chlid 
        "([:.#]*)S" 
    ], 

    filter: function(t,r,not) { 
        // Figure out if we're doing regular, or inverse, filtering 
        var g = not !== false ? jQuery.grep : 
            function(a,f) {return jQuery.grep(a,f,true);}; 

        while ( t && /^[a-z[({<*:.#]/i.test(t) ) { 

            var p = jQuery.parse; 

            for ( var i = 0; i < p.length; i++ ) { 

                // Look for, and replace, string-like sequences 
                // and finally build a regexp out of it 
                var re = new RegExp( 
                    "^" + p[i].replace("S", "([a-z*_-][a-z0-9_-]*)"), "i" ); 

                var m = re.exec( t ); 

                if ( m ) { 
                    // Re-organize the first match 
                    if ( !i ) 
                        m = ["",m[1], m[3], m[2], m[5]]; 

                    // Remove what we just matched 
                    t = t.replace( re, "" ); 

                    break; 
                } 
            } 

            // :not() is a special case that can be optimized by 
            // keeping it out of the expression list 
            if ( m[1] == ":" && m[2] == "not" ) 
                r = jQuery.filter(m[3],r,false).r; 

            // Otherwise, find the expression to execute 
            else { 
                var f = jQuery.expr[m[1]]; 
                if ( f.constructor != String ) 
                    f = jQuery.expr[m[1]][m[2]]; 

                // Build a custom macro to enclose it 
                eval("f = function(a,i){" + 
                    ( m[1] == "@" ? "z=jQuery.attr(a,m[3]);" : "" ) + 
                    "return " + f + "}"); 

                // Execute it against the current filter 
                r = g( r, f ); 
            } 
        } 

        // Return an array of filtered elements (r) 
        // and the modified expression string (t) 
        return { r: r, t: t }; 
    }, 
    trim: function(t){ 
        return t.replace(/^\s+|\s+$/g, ""); 
    }, 
    parents: function( elem ){ 
        var matched = []; 
        var cur = elem.parentNode; 
        while ( cur && cur != document ) { 
            matched.push( cur ); 
            cur = cur.parentNode; 
        } 
        return matched; 
    }, 
    sibling: function(elem, pos, not) { 
        var elems = []; 

        if(elem) { 
            var siblings = elem.parentNode.childNodes; 
            for ( var i = 0; i < siblings.length; i++ ) { 
                if ( not === true && siblings[i] == elem ) continue; 

                if ( siblings[i].nodeType == 1 ) 
                    elems.push( siblings[i] ); 
                if ( siblings[i] == elem ) 
                    elems.n = elems.length - 1; 
            } 
        } 

        return jQuery.extend( elems, { 
            last: elems.n == elems.length - 1, 
            cur: pos == "even" && elems.n % 2 == 0 || pos == "odd" && elems.n % 2 || elems[pos] == elem, 
            prev: elems[elems.n - 1], 
            next: elems[elems.n + 1] 
        }); 
    }, 
    merge: function(first, second) { 
        var result = []; 

        // Move b over to the new array (this helps to avoid 
        // StaticNodeList instances) 
        for ( var k = 0; k < first.length; k++ ) 
            result[k] = first[k]; 

        // Now check for duplicates between a and b and only 
        // add the unique items 
        for ( var i = 0; i < second.length; i++ ) { 
            var noCollision = true; 

            // The collision-checking process 
            for ( var j = 0; j < first.length; j++ ) 
                if ( second[i] == first[j] ) 
                    noCollision = false; 

            // If the item is unique, add it 
            if ( noCollision ) 
                result.push( second[i] ); 
        } 

        return result; 
    }, 
    grep: function(elems, fn, inv) { 
        // If a string is passed in for the function, make a function 
        // for it (a handy shortcut) 
        if ( fn.constructor == String ) 
            fn = new Function("a","i","return " + fn); 

        var result = []; 

        // Go through the array, only saving the items 
        // that pass the validator function 
        for ( var i = 0; i < elems.length; i++ ) 
            if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) ) 
                result.push( elems[i] ); 

        return result; 
    }, 
    map: function(elems, fn) { 
        // If a string is passed in for the function, make a function 
        // for it (a handy shortcut) 
        if ( fn.constructor == String ) 
            fn = new Function("a","return " + fn); 

        var result = []; 

        // Go through the array, translating each of the items to their 
        // new value (or values). 
        for ( var i = 0; i < elems.length; i++ ) { 
            var val = fn(elems[i],i); 

            if ( val !== null && val != undefined ) { 
                if ( val.constructor != Array ) val = [val]; 
                result = jQuery.merge( result, val ); 
            } 
        } 

        return result; 
    }, 

    /* 
     * A number of helper functions used for managing events. 
     * Many of the ideas behind this code orignated from Dean Edwards' addEvent library. 
     */ 
    event: { 

        // Bind an event to an element 
        // Original by Dean Edwards 
        add: function(element, type, handler) { 
            // For whatever reason, IE has trouble passing the window object 
            // around, causing it to be cloned in the process 
            if ( jQuery.browser.msie && element.setInterval != undefined ) 
                element = window; 

            // Make sure that the function being executed has a unique ID 
            if ( !handler.guid ) 
                handler.guid = this.guid++; 

            // Init the element's event structure 
            if (!element.events) 
                element.events = {}; 

            // Get the current list of functions bound to this event 
            var handlers = element.events[type]; 

            // If it hasn't been initialized yet 
            if (!handlers) { 
                // Init the event handler queue 
                handlers = element.events[type] = {}; 

                // Remember an existing handler, if it's already there 
                if (element["on" + type]) 
                    handlers[0] = element["on" + type]; 
            } 

            // Add the function to the element's handler list 
            handlers[handler.guid] = handler; 

            // And bind the global event handler to the element 
            element["on" + type] = this.handle; 

            // Remember the function in a global list (for triggering) 
            if (!this.global[type]) 
                this.global[type] = []; 
            this.global[type].push( element ); 
        }, 

        guid: 1, 
        global: {}, 

        // Detach an event or set of events from an element 
        remove: function(element, type, handler) { 
            if (element.events) 
                if (type && element.events[type]) 
                    if ( handler ) 
                        delete element.events[type][handler.guid]; 
                    else 
                        for ( var i in element.events[type] ) 
                            delete element.events[type][i]; 
                else 
                    for ( var j in element.events ) 
                        this.remove( element, j ); 
        }, 

        trigger: function(type,data,element) { 
            // Touch up the incoming data 
            data = data || []; 

            // Handle a global trigger 
            if ( !element ) { 
                var g = this.global[type]; 
                if ( g ) 
                    for ( var i = 0; i < g.length; i++ ) 
                        this.trigger( type, data, g[i] ); 

            // Handle triggering a single element 
            } else if ( element["on" + type] ) { 
                // Pass along a fake event 
                data.unshift( this.fix({ type: type, target: element }) ); 

                // Trigger the event 
                element["on" + type].apply( element, data ); 
            } 
        }, 

        handle: function(event) { 
            if ( typeof jQuery == "undefined" ) return; 

            event = event || jQuery.event.fix( window.event ); 

            // If no correct event was found, fail 
            if ( !event ) return; 

            var returnValue = true; 

            var c = this.events[event.type]; 

            var args = [].slice.call( arguments, 1 ); 
            args.unshift( event ); 

            for ( var j in c ) { 
                if ( c[j].apply( this, args ) === false ) { 
                    event.preventDefault(); 
                    event.stopPropagation(); 
                    returnValue = false; 
                } 
            } 

            return returnValue; 
        }, 

        fix: function(event) { 
            if ( event ) { 
                event.preventDefault = function() { 
                    this.returnValue = false; 
                }; 

                event.stopPropagation = function() { 
                    this.cancelBubble = true; 
                }; 
            } 

            return event; 
        } 

    } 
}); 
new function() { 
    var b = navigator.userAgent.toLowerCase(); 

    // Figure out what browser is being used 
    jQuery.browser = { 
        safari: /webkit/.test(b), 
        opera: /opera/.test(b), 
        msie: /msie/.test(b) && !/opera/.test(b), 
        mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b) 
    }; 

    // Check to see if the W3C box model is being used 
    jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat"; 
}; 

jQuery.macros = { 
    to: { 
        appendTo: "append", 
        prependTo: "prepend", 
        insertBefore: "before", 
        insertAfter: "after" 
    }, 

    css: "width,height,top,left,position,float,overflow,color,background".split(","), 

    filter: [ "eq", "lt", "gt", "contains" ], 

    attr: { 

        val: "value", 

        html: "innerHTML", 

        id: null, 

        title: null, 

        name: null, 

        href: null, 

        src: null, 

        rel: null 
    }, 

    axis: { 

        parent: "a.parentNode", 

        ancestors: jQuery.parents, 

        parents: jQuery.parents, 

        next: "jQuery.sibling(a).next", 

        prev: "jQuery.sibling(a).prev", 

        siblings: "jQuery.sibling(a, null, true)", 

        children: "jQuery.sibling(a.firstChild)" 
    }, 

    each: { 
        removeAttr: function( key ) { 
            this.removeAttribute( key ); 
        }, 
        show: function(){ 
            this.style.display = this.oldblock ? this.oldblock : ""; 
            if ( jQuery.css(this,"display") == "none" ) 
                this.style.display = "block"; 
        }, 
        hide: function(){ 
            this.oldblock = this.oldblock || jQuery.css(this,"display"); 
            if ( this.oldblock == "none" ) 
                this.oldblock = "block"; 
            this.style.display = "none"; 
        }, 
        toggle: function(){ 
            jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ].apply( jQuery(this), arguments ); 
        }, 
        addClass: function(c){ 
            jQuery.className.add(this,c); 
        }, 
        removeClass: function(c){ 
            jQuery.className.remove(this,c); 
        }, 
        toggleClass: function( c ){ 
            jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this,c); 
        }, 

        remove: function(a){ 
            if ( !a || jQuery.filter( a, [this] ).r ) 
                this.parentNode.removeChild( this ); 
        }, 
        empty: function(){ 
            while ( this.firstChild ) 
                this.removeChild( this.firstChild ); 
        }, 
        bind: function( type, fn ) { 
            if ( fn.constructor == String ) 
                fn = new Function("e", ( !fn.indexOf(".") ? "jQuery(this)" : "return " ) + fn); 
            jQuery.event.add( this, type, fn ); 
        }, 

        unbind: function( type, fn ) { 
            jQuery.event.remove( this, type, fn ); 
        }, 
        trigger: function( type, data ) { 
            jQuery.event.trigger( type, data, this ); 
        } 
    } 
}; 

jQuery.init(); 
jQuery.fn.extend({ 

    // We're overriding the old toggle function, so 
    // remember it for later 
    _toggle: jQuery.fn.toggle, 
    toggle: function(a,b) { 
        // If two functions are passed in, we're 
        // toggling on a click 
        return a && b && a.constructor == Function && b.constructor == Function ? this.click(function(e){ 
            // Figure out which function to execute 
            this.last = this.last == a ? b : a; 

            // Make sure that clicks stop 
            e.preventDefault(); 

            // and execute the function 
            return this.last.apply( this, [e] ) || false; 
        }) : 

        // Otherwise, execute the old toggle function 
        this._toggle.apply( this, arguments ); 
    }, 
    hover: function(f,g) { 

        // A private function for haandling mouse 'hovering' 
        function handleHover(e) { 
            // Check if mouse(over|out) are still within the same parent element 
            var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget; 

            // Traverse up the tree 
            while ( p && p != this ) try { p = p.parentNode } catch(e) { p = this; }; 

            // If we actually just moused on to a sub-element, ignore it 
            if ( p == this ) return false; 

            // Execute the right function 
            return (e.type == "mouseover" ? f : g).apply(this, [e]); 
        } 

        // Bind the function to the two event listeners 
        return this.mouseover(handleHover).mouseout(handleHover); 
    }, 
    ready: function(f) { 
        // If the DOM is already ready 
        if ( jQuery.isReady ) 
            // Execute the function immediately 
            f.apply( document ); 

        // Otherwise, remember the function for later 
        else { 
            // Add the function to the wait list 
            jQuery.readyList.push( f ); 
        } 

        return this; 
    } 
}); 

jQuery.extend({ 
    /* 
     * All the code that makes DOM Ready work nicely. 
     */ 
    isReady: false, 
    readyList: [], 

    // Handle when the DOM is ready 
    ready: function() { 
        // Make sure that the DOM is not already loaded 
        if ( !jQuery.isReady ) { 
            // Remember that the DOM is ready 
            jQuery.isReady = true; 

            // If there are functions bound, to execute 
            if ( jQuery.readyList ) { 
                // Execute all of them 
                for ( var i = 0; i < jQuery.readyList.length; i++ ) 
                    jQuery.readyList[i].apply( document ); 

                // Reset the list of functions 
                jQuery.readyList = null; 
            } 
            // Remove event lisenter to avoid memory leak 
            if ( jQuery.browser.mozilla || jQuery.browser.opera ) 
                document.removeEventListener( "DOMContentLoaded", jQuery.ready, false ); 
        } 
    } 
}); 


new function(){ 

    var e = ("blur,focus,load,resize,scroll,unload,click,dblclick," + 
        "mousedown,mouseup,mousemove,mouseover,mouseout,change,reset,select," +  
        "submit,keydown,keypress,keyup,error").split(","); 

    // Go through all the event names, but make sure that 
    // it is enclosed properly 
    for ( var i = 0; i < e.length; i++ ) new function(){ 

        var o = e[i]; 

        // Handle event binding 
        jQuery.fn[o] = function(f){ 
            return f ? this.bind(o, f) : this.trigger(o); 
        }; 

        // Handle event unbinding 
        jQuery.fn["un"+o] = function(f){ return this.unbind(o, f); }; 

        // Finally, handle events that only fire once 
        jQuery.fn["one"+o] = function(f){ 
            // Attach the event listener 
            return this.each(function(){ 

                var count = 0; 

                // Add the event 
                jQuery.event.add( this, o, function(e){ 
                    // If this function has already been executed, stop 
                    if ( count++ ) return; 

                    // And execute the bound function 
                    return f.apply(this, [e]); 
                }); 
            }); 
        }; 

    }; 

    // If Mozilla is used 
    if ( jQuery.browser.mozilla || jQuery.browser.opera ) { 
        // Use the handy event callback 
        document.addEventListener( "DOMContentLoaded", jQuery.ready, false ); 

    // If IE is used, use the excellent hack by Matthias Miller 
    // http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited 
    } else if ( jQuery.browser.msie ) { 

        // Only works if you document.write() it 
        document.write("<scr" + "ipt id=__ie_init defer=true " +  
            "src=//:><\/script>"); 

        // Use the defer script hack 
        var script = document.getElementById("__ie_init"); 
        script.onreadystatechange = function() { 
            if ( this.readyState != "complete" ) return; 
            this.parentNode.removeChild( this ); 
            jQuery.ready(); 
        }; 

        // Clear from memory 
        script = null; 

    // If Safari  is used 
    } else if ( jQuery.browser.safari ) { 
        // Continually check to see if the document.readyState is valid 
        jQuery.safariTimer = setInterval(function(){ 
            // loaded and complete are both valid states 
            if ( document.readyState == "loaded" ||  
                document.readyState == "complete" ) { 

                // If either one are found, remove the timer 
                clearInterval( jQuery.safariTimer ); 
                jQuery.safariTimer = null; 

                // and execute any waiting functions 
                jQuery.ready(); 
            } 
        }, 10); 
    }  

    // A fallback to window.onload, that will always work 
    jQuery.event.add( window, "load", jQuery.ready ); 

}; 

// Clean up after IE to avoid memory leaks 
if (jQuery.browser.msie) jQuery(window).unload(function() { 
    var event = jQuery.event, global = event.global; 
    for (var type in global) { 
         var els = global[type], i = els.length; 
        if (i>0) do if (type != 'unload') event.remove(els[i-1], type); while (--i); 
    } 
}); 
jQuery.fn.extend({ 

    // overwrite the old show method 
    _show: jQuery.fn.show, 

    show: function(speed,callback){ 
        return speed ? this.animate({ 
            height: "show", width: "show", opacity: "show" 
        }, speed, callback) : this._show(); 
    }, 

    // Overwrite the old hide method 
    _hide: jQuery.fn.hide, 

    hide: function(speed,callback){ 
        return speed ? this.animate({ 
            height: "hide", width: "hide", opacity: "hide" 
        }, speed, callback) : this._hide(); 
    }, 

    slideDown: function(speed,callback){ 
        return this.animate({height: "show"}, speed, callback); 
    }, 

    slideUp: function(speed,callback){ 
        return this.animate({height: "hide"}, speed, callback); 
    }, 

    slideToggle: function(speed,callback){ 
        return this.each(function(){ 
            var state = jQuery(this).is(":hidden") ? "show" : "hide"; 
            jQuery(this).animate({height: state}, speed, callback); 
        }); 
    }, 

    fadeIn: function(speed,callback){ 
        return this.animate({opacity: "show"}, speed, callback); 
    }, 

    fadeOut: function(speed,callback){ 
        return this.animate({opacity: "hide"}, speed, callback); 
    }, 

    fadeTo: function(speed,to,callback){ 
        return this.animate({opacity: to}, speed, callback); 
    }, 
    animate: function(prop,speed,callback) { 
        return this.queue(function(){ 

            this.curAnim = prop; 

            for ( var p in prop ) { 
                var e = new jQuery.fx( this, jQuery.speed(speed,callback), p ); 
                if ( prop[p].constructor == Number ) 
                    e.custom( e.cur(), prop[p] ); 
                else 
                    e[ prop[p] ]( prop ); 
            } 

        }); 
    }, 
    queue: function(type,fn){ 
        if ( !fn ) { 
            fn = type; 
            type = "fx"; 
        } 

        return this.each(function(){ 
            if ( !this.queue ) 
                this.queue = {}; 

            if ( !this.queue[type] ) 
                this.queue[type] = []; 

            this.queue[type].push( fn ); 

            if ( this.queue[type].length == 1 ) 
                fn.apply(this); 
        }); 
    } 

}); 

jQuery.extend({ 

    setAuto: function(e,p) { 
        if ( e.notAuto ) return; 

        if ( p == "height" && e.scrollHeight != parseInt(jQuery.curCSS(e,p)) ) return; 
        if ( p == "width" && e.scrollWidth != parseInt(jQuery.curCSS(e,p)) ) return; 

        // Remember the original height 
        var a = e.style[p]; 

        // Figure out the size of the height right now 
        var o = jQuery.curCSS(e,p,1); 

        if ( p == "height" && e.scrollHeight != o || 
            p == "width" && e.scrollWidth != o ) return; 

        // Set the height to auto 
        e.style[p] = e.currentStyle ? "" : "auto"; 

        // See what the size of "auto" is 
        var n = jQuery.curCSS(e,p,1); 

        // Revert back to the original size 
        if ( o != n && n != "auto" ) { 
            e.style[p] = a; 
            e.notAuto = true; 
        } 
    }, 

    speed: function(s,o) { 
        o = o || {}; 

        if ( o.constructor == Function ) 
            o = { complete: o }; 

        var ss = { slow: 600, fast: 200 }; 
        o.duration = (s && s.constructor == Number ? s : ss[s]) || 400; 

        // Queueing 
        o.oldComplete = o.complete; 
        o.complete = function(){ 
            jQuery.dequeue(this, "fx"); 
            if ( o.oldComplete && o.oldComplete.constructor == Function ) 
                o.oldComplete.apply( this ); 
        }; 

        return o; 
    }, 

    queue: {}, 

    dequeue: function(elem,type){ 
        type = type || "fx"; 

        if ( elem.queue && elem.queue[type] ) { 
            // Remove self 
            elem.queue[type].shift(); 

            // Get next function 
            var f = elem.queue[type][0]; 

            if ( f ) f.apply( elem ); 
        } 
    }, 

    /* 
     * I originally wrote fx() as a clone of moo.fx and in the process 
     * of making it small in size the code became illegible to sane 
     * people. You've been warned. 
     */ 

    fx: function( elem, options, prop ){ 

        var z = this; 

        // The users options 
        z.o = { 
            duration: options.duration || 400, 
            complete: options.complete, 
            step: options.step 
        }; 

        // The element 
        z.el = elem; 

        // The styles 
        var y = z.el.style; 

        // Simple function for setting a style value 
        z.a = function(){ 
            if ( options.step ) 
                options.step.apply( elem, [ z.now ] ); 

            if ( prop == "opacity" ) 
                jQuery.attr(y, "opacity", z.now); // Let attr handle opacity 
            else if ( parseInt(z.now) ) // My hate for IE will never die 
                y[prop] = parseInt(z.now) + "px"; 

            y.display = "block"; 
        }; 

        // Figure out the maximum number to run to 
        z.max = function(){ 
            return parseFloat( jQuery.css(z.el,prop) ); 
        }; 

        // Get the current size 
        z.cur = function(){ 
            var r = parseFloat( jQuery.curCSS(z.el, prop) ); 
            return r && r > -10000 ? r : z.max(); 
        }; 

        // Start an animation from one number to another 
        z.custom = function(from,to){ 
            z.startTime = (new Date()).getTime(); 
            z.now = from; 
            z.a(); 

            z.timer = setInterval(function(){ 
                z.step(from, to); 
            }, 13); 
        }; 

        // Simple 'show' function 
        z.show = function( p ){ 
            if ( !z.el.orig ) z.el.orig = {}; 

            // Remember where we started, so that we can go back to it later 
            z.el.orig[prop] = this.cur(); 

            // Begin the animation 
            if (prop == "opacity") 
                z.custom(z.el.orig[prop], 1); 
            else 
                z.custom(0, z.el.orig[prop]); 

            // Stupid IE, look what you made me do 
            if ( prop != "opacity" ) 
                y[prop] = "1px"; 
        }; 

        // Simple 'hide' function 
        z.hide = function(){ 
            if ( !z.el.orig ) z.el.orig = {}; 

            // Remember where we started, so that we can go back to it later 
            z.el.orig[prop] = this.cur(); 

            z.o.hide = true; 

            // Begin the animation 
            z.custom(z.el.orig[prop], 0); 
        }; 

        // Remember  the overflow of the element 
        if ( !z.el.oldOverlay ) 
            z.el.oldOverflow = jQuery.css( z.el, "overflow" ); 

        // Make sure that nothing sneaks out 
        y.overflow = "hidden"; 

        // Each step of an animation 
        z.step = function(firstNum, lastNum){ 
            var t = (new Date()).getTime(); 

            if (t > z.o.duration + z.startTime) { 
                // Stop the timer 
                clearInterval(z.timer); 
                z.timer = null; 

                z.now = lastNum; 
                z.a(); 

                z.el.curAnim[ prop ] = true; 

                var done = true; 
                for ( var i in z.el.curAnim ) 
                    if ( z.el.curAnim[i] !== true ) 
                        done = false; 

                if ( done ) { 
                    // Reset the overflow 
                    y.overflow = z.el.oldOverflow; 

                    // Hide the element if the "hide" operation was done 
                    if ( z.o.hide )  
                        y.display = 'none'; 

                    // Reset the property, if the item has been hidden 
                    if ( z.o.hide ) { 
                        for ( var p in z.el.curAnim ) { 
                            if (p == "opacity" && jQuery.browser.msie) 
                                jQuery.attr(y, p, z.el.orig[p]); 
                            else 
                                y[ p ] = z.el.orig[p] + "px"; 

                            // set its height and/or width to auto 
                            if ( p == 'height' || p == 'width' ) 
                                jQuery.setAuto( z.el, p ); 
                        } 
                    } 
                } 

                // If a callback was provided, execute it 
                if( done && z.o.complete && z.o.complete.constructor == Function ) 
                    // Execute the complete function 
                    z.o.complete.apply( z.el ); 
            } else { 
                // Figure out where in the animation we are and set the number 
                var p = (t - this.startTime) / z.o.duration; 
                z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum; 

                // Perform the next step of the animation 
                z.a(); 
            } 
        }; 

    } 

}); 
jQuery.fn.extend({ 
    loadIfModified: function( url, params, callback ) { 
        this.load( url, params, callback, 1 ); 
    }, 
    load: function( url, params, callback, ifModified ) { 
        if ( url.constructor == Function ) 
            return this.bind("load", url); 

        callback = callback || function(){}; 

        // Default to a GET request 
        var type = "GET"; 

        // If the second parameter was provided 
        if ( params ) { 
            // If it's a function 
            if ( params.constructor == Function ) { 
                // We assume that it's the callback 
                callback = params; 
                params = null; 

            // Otherwise, build a param string 
            } else { 
                params = jQuery.param( params ); 
                type = "POST"; 
            } 
        } 

        var self = this; 

        // Request the remote document 
        jQuery.ajax( type, url, params,function(res, status){ 

            if ( status == "success" || !ifModified && status == "notmodified" ) { 
                // Inject the HTML into all the matched elements 
                self.html(res.responseText).each( callback, [res.responseText, status] ); 

                // Execute all the scripts inside of the newly-injected HTML 
                jQuery("script", self).each(function(){ 
                    if ( this.src ) 
                        jQuery.getScript( this.src ); 
                    else 
                        eval.call( window, this.text || this.textContent || this.innerHTML || "" ); 
                }); 
            } else 
                callback.apply( self, [res.responseText, status] ); 

        }, ifModified); 

        return this; 
    }, 
    serialize: function() { 
        return jQuery.param( this ); 
    } 

}); 

// If IE is used, create a wrapper for the XMLHttpRequest object 
if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" ) 
    XMLHttpRequest = function(){ 
        return new ActiveXObject( 
            navigator.userAgent.indexOf("MSIE 5") >= 0 ? 
            "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP" 
        ); 
    }; 

// Attach a bunch of functions for handling common AJAX events 

  

new function(){ 
    var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(","); 

    for ( var i = 0; i < e.length; i++ ) new function(){ 
        var o = e[i]; 
        jQuery.fn[o] = function(f){ 
            return this.bind(o, f); 
        }; 
    }; 
}; 

jQuery.extend({ 
    get: function( url, data, callback, type, ifModified ) { 
        if ( data.constructor == Function ) { 
            type = callback; 
            callback = data; 
            data = null; 
        } 

        // append ? + data or & + data, in case there are already params 
        if ( data ) url += ((url.indexOf("?") > -1) ? "&" : "?") + jQuery.param(data); 

        // Build and start the HTTP Request 
        jQuery.ajax( "GET", url, null, function(r, status) { 
            if ( callback ) callback( jQuery.httpData(r,type), status ); 
        }, ifModified); 
    }, 
    getIfModified: function( url, data, callback, type ) { 
        jQuery.get(url, data, callback, type, 1); 
    }, 
    getScript: function( url, callback ) { 
        jQuery.get(url, callback, "script"); 
    }, 
    getJSON: function( url, data, callback ) { 
        if(callback) 
            jQuery.get(url, data, callback, "json"); 
        else { 
            jQuery.get(url, data, "json"); 
        } 
    }, 
    post: function( url, data, callback, type ) { 
        // Build and start the HTTP Request 
        jQuery.ajax( "POST", url, jQuery.param(data), function(r, status) { 
            if ( callback ) callback( jQuery.httpData(r,type), status ); 
        }); 
    }, 

    // timeout (ms) 
    timeout: 0, 
    ajaxTimeout: function(timeout) { 
        jQuery.timeout = timeout; 
    }, 

    // Last-Modified header cache for next request 
    lastModified: {}, 
    ajax: function( type, url, data, ret, ifModified ) { 
        // If only a single argument was passed in, 
        // assume that it is a object of key/value pairs 
        if ( !url ) { 
            ret = type.complete; 
            var success = type.success; 
            var error = type.error; 
            var dataType = type.dataType; 
            var global = typeof type.global == "boolean" ? type.global : true; 
            var timeout = typeof type.timeout == "number" ? type.timeout : jQuery.timeout; 
            var ifModified = type.ifModified || false; 
            data = type.data; 
            url = type.url; 
            type = type.type; 
        } 

        // Watch for a new set of requests 
        if ( global && ! jQuery.active++ ) 
            jQuery.event.trigger( "ajaxStart" ); 

        var requestDone = false; 

        // Create the request object 
        var xml = new XMLHttpRequest(); 

        // Open the socket 
        xml.open(type || "GET", url, true); 

        // Set the correct header, if data is being sent 
        if ( data ) 
            xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 

        // Set the If-Modified-Since header, if ifModified mode. 
        if ( ifModified ) 
            xml.setRequestHeader("If-Modified-Since", 
                jQuery.lastModified[url] || "Thu, 01 Jan 1970 00:00:00 GMT" ); 

        // Set header so the called script knows that it's an XMLHttpRequest 
        xml.setRequestHeader("X-Requested-With", "XMLHttpRequest"); 

        // Make sure the browser sends the right content length 
        if ( xml.overrideMimeType ) 
            xml.setRequestHeader("Connection", "close"); 

        // Wait for a response to come back 
        var onreadystatechange = function(istimeout){ 
            // The transfer is complete and the data is available, or the request timed out 
            if ( xml && (xml.readyState == 4 || istimeout == "timeout") ) { 
                requestDone = true; 

                var status = jQuery.httpSuccess( xml ) && istimeout != "timeout" ? 
                    ifModified && jQuery.httpNotModified( xml, url ) ? "notmodified" : "success" : "error"; 

                // Make sure that the request was successful or notmodified 
                if ( status != "error" ) { 
                    // Cache Last-Modified header, if ifModified mode. 
                    var modRes; 
                    try { 
                        modRes = xml.getResponseHeader("Last-Modified"); 
                    } catch(e) {} // swallow exception thrown by FF if header is not available 

                    if ( ifModified && modRes ) 
                        jQuery.lastModified[url] = modRes; 

                    // If a local callback was specified, fire it 
                    if ( success ) 
                        success( jQuery.httpData( xml, dataType ), status ); 

                    // Fire the global callback 
                    if( global ) 
                        jQuery.event.trigger( "ajaxSuccess" ); 

                // Otherwise, the request was not successful 
                } else { 
                    // If a local callback was specified, fire it 
                    if ( error ) error( xml, status ); 

                    // Fire the global callback 
                    if( global ) 
                        jQuery.event.trigger( "ajaxError" ); 
                } 

                // The request was completed 
                if( global ) 
                    jQuery.event.trigger( "ajaxComplete" ); 

                // Handle the global AJAX counter 
                if ( global && ! --jQuery.active ) 
                    jQuery.event.trigger( "ajaxStop" ); 

                // Process result 
                if ( ret ) ret(xml, status); 

                // Stop memory leaks 
                xml.onreadystatechange = function(){}; 
                xml = null; 

            } 
        }; 
        xml.onreadystatechange = onreadystatechange; 

        // Timeout checker 
        if(timeout > 0) 
            setTimeout(function(){ 
                // Check to see if the request is still happening 
                if (xml) { 
                    // Cancel the request 
                    xml.abort(); 

                    if ( !requestDone ) onreadystatechange( "timeout" ); 

                    // Clear from memory 
                    xml = null; 
                } 
            }, timeout); 

        // Send the data 
        xml.send(data); 
    }, 

    // Counter for holding the number of active queries 
    active: 0, 

    // Determines if an XMLHttpRequest was successful or not 
    httpSuccess: function(r) { 
        try { 
            return !r.status && location.protocol == "file:" || 
                ( r.status >= 200 && r.status < 300 ) || r.status == 304 || 
                jQuery.browser.safari && r.status == undefined; 
        } catch(e){} 

        return false; 
    }, 

    // Determines if an XMLHttpRequest returns NotModified 
    httpNotModified: function(xml, url) { 
        try { 
            var xmlRes = xml.getResponseHeader("Last-Modified"); 

            // Firefox always returns 200. check Last-Modified date 
            return xml.status == 304 || xmlRes == jQuery.lastModified[url] || 
                jQuery.browser.safari && xml.status == undefined; 
        } catch(e){} 

        return false; 
    }, 

    /* Get the data out of an XMLHttpRequest. 
     * Return parsed XML if content-type header is "xml" and type is "xml" or omitted, 
     * otherwise return plain text. 
     * (String) data - The type of data that you're expecting back, 
     * (e.g. "xml", "html", "script") 
     */ 
    httpData: function(r,type) { 
        var ct = r.getResponseHeader("content-type"); 
        var data = !type && ct && ct.indexOf("xml") >= 0; 
        data = type == "xml" || data ? r.responseXML : r.responseText; 

        // If the type is "script", eval it 
        if ( type == "script" ) eval.call( window, data ); 

        // Get the JavaScript object, if JSON is used. 
        if ( type == "json" ) eval( "data = " + data ); 

        return data; 
    }, 

    // Serialize an array of form elements or a set of 
    // key/values into a query string 
    param: function(a) { 
        var s = []; 

        // If an array was passed in, assume that it is an array 
        // of form elements 
        if ( a.constructor == Array || a.jquery ) { 
            // Serialize the form elements 
            for ( var i = 0; i < a.length; i++ ) 
                s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) ); 

        // Otherwise, assume that it's an object of key/value pairs 
        } else { 
            // Serialize the key/values 
            for ( var j in a ) 
                s.push( j + "=" + encodeURIComponent( a[j] ) ); 
        } 

        // Return the resulting serialization 
        return s.join("&"); 
    } 

}); 
} // close: if(typeof window.jQuery == "undefined") { 

